Metal composition of Y2O3:Eu powder evaluated using particle analyzer |
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| Affiliation: | 1. Department of Chemistry, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka Niigata 940-2188, Japan;2. Chubu Chelest Co. Ltd, 3-3 Hinagahigashi 3-chome, Yokkaichi, Mie 510-0886, Japan;1. Faculty of Chemistry, University of Warsaw, ul. Pasteura 1, 02-093 Warsaw, Poland;2. Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland;3. National Centre for Nuclear Research, Soltana 7, 05-400 Otwock, Poland;4. Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5b, 02-106 Warsaw, Poland;5. School of Engineering Cardiff University, Cardiff CF24 3AA, United Kingdom;1. School of Materials Science and Engineering, Shanghai University, Shanghai, China;2. Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;1. Institute of Physics AS CR, Cukrovarnicka 10, Prague 16200, Czech Republic;2. Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan;3. New Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan;4. Faculty of Science, Yamagata University, 1-4-12 Kojirakawa, Yamagata 990-8560, Japan;1. Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand;2. Faculty of Sports Science, Institute of Physical Education Phetchabun, Phetchabun, 67000, Thailand;3. PhD’s Degree Program in Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand;4. Research Center in Physics and Astronomy, Chiang Mai University, Chiang Mai, 50200, Thailand;1. School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China;2. Kazuo Inamori School of Engineering, New York State College of Ceramics, Alfred University, Alfred, 14802, NY, United States;3. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Shanghai, 200050, China |
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| Abstract: | Y2O3:Eu red phosphor powder was synthesized with powders of metal–ethylenediaminetetraacetic acid (EDTA) complexes as a starting material. The compositional analysis of each metal–EDTA complexes particle and Y2O3:Eu particle was performed using a particle analyzer. In this study, first, the particles of a mixture of Y– and Eu–EDTA complexes were obtained by a spray drying method from solution consisting of Y– and Eu–EDTA·NH4. Then, the metal–EDTA complex powder was fired in obtaining the Y2O3:Eu red phosphor. The metal composition of each particle was scattered for the powder of the metal–EDTA mixture, while it became narrow for the Y2O3:Eu powder. The intensity of cathodoluminescence obtained from the Y2O3:Eu powder increased with increasing the fired temperature. In addition, the maximum intensity was obtained from the sample with x=0.12 for Y2−xO3:Eux. |
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